20561632

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1$

素因数の和:360

約数の個数: 96

約数和(自身を含む): 52157952

約数和(自身を除く): 31596320

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 23, 26, 28, 32, 46, 52, 56, 91, 92, 104, 112, 161, 182, 184, 208, 224, 299, 307, 322, 364, 368, 416, 598, 614, 644, 728, 736, 1196, 1228, 1288, 1456, 2093, 2149, 2392, 2456, 2576, 2912, 3991, 4186, 4298, 4784, 4912, 5152, 7061, 7982, 8372, 8596, 9568, 9824, 14122, 15964, 16744, 17192, 27937, 28244, 31928, 33488, 34384, 49427, 55874, 56488, 63856, 66976, 68768, 91793, 98854, 111748, 112976, 127712, 183586, 197708, 223496, 225952, 367172, 395416, 446992, 642551, 734344, 790832, 893984, 1285102, 1468688, 1581664, 2570204, 2937376, 5140408, 10280816, 20561632]

約数ペア:

[(1, 20561632), (2, 10280816), (4, 5140408), (7, 2937376), (8, 2570204), (13, 1581664), (14, 1468688), (16, 1285102), (23, 893984), (26, 790832), (28, 734344), (32, 642551), (46, 446992), (52, 395416), (56, 367172), (91, 225952), (92, 223496), (104, 197708), (112, 183586), (161, 127712), (182, 112976), (184, 111748), (208, 98854), (224, 91793), (299, 68768), (307, 66976), (322, 63856), (364, 56488), (368, 55874), (416, 49427), (598, 34384), (614, 33488), (644, 31928), (728, 28244), (736, 27937), (1196, 17192), (1228, 16744), (1288, 15964), (1456, 14122), (2093, 9824), (2149, 9568), (2392, 8596), (2456, 8372), (2576, 7982), (2912, 7061), (3991, 5152), (4186, 4912), (4298, 4784)]